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Nature & Animals

Which metabolic adaptation results when a soaring bird thermoregulates at high altitude?

A)Increased reliance on anaerobic glycolysis
B)Enhanced hemoglobin-oxygen affinity
C)Decreased mitochondrial density in muscles
D)Reduced cutaneous water loss

💡 Explanation

When birds soar at high altitudes, they operate under low oxygen conditions; so, enhanced hemoglobin-oxygen affinity occurs because of altered hemoglobin structure, improving oxygen at low pressures. Therefore increased affinity leads to sustained aerobic metabolism, not anaerobic glycolysis or decreased mitochondrial density, or water less which primarily controls dehydration at ground level.

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